WO2021227065A1 - Panneau d'affichage et dispositif électronique - Google Patents

Panneau d'affichage et dispositif électronique Download PDF

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Publication number
WO2021227065A1
WO2021227065A1 PCT/CN2020/090653 CN2020090653W WO2021227065A1 WO 2021227065 A1 WO2021227065 A1 WO 2021227065A1 CN 2020090653 W CN2020090653 W CN 2020090653W WO 2021227065 A1 WO2021227065 A1 WO 2021227065A1
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WO
WIPO (PCT)
Prior art keywords
pixel
light
layer
sub
base substrate
Prior art date
Application number
PCT/CN2020/090653
Other languages
English (en)
Chinese (zh)
Inventor
李蒙
何敏
王迎
Original Assignee
京东方科技集团股份有限公司
合肥京东方卓印科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司, 合肥京东方卓印科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to EP20904244.9A priority Critical patent/EP4006986A4/fr
Priority to CN202080000761.0A priority patent/CN115485846A/zh
Priority to PCT/CN2020/090653 priority patent/WO2021227065A1/fr
Priority to US17/279,699 priority patent/US11997893B2/en
Publication of WO2021227065A1 publication Critical patent/WO2021227065A1/fr

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/122—Pixel-defining structures or layers, e.g. banks
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/124—Insulating layers formed between TFT elements and OLED elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/126—Shielding, e.g. light-blocking means over the TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/1201—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers

Definitions

  • the present disclosure relates to the field of display technology, and in particular, to a display panel and an electronic device.
  • Transparent display as a brand-new display technology, allows the observer to see the background behind the screen through the display screen. This novel display effect has broadened the application field of the display and has received widespread attention.
  • the first gate line and the second gate line are arranged in the same layer, and the light shielding layer is located in a different layer from the first gate line and the second gate line.
  • the light shielding layer is located on the side of the first gate line and the second gate line facing the base substrate.
  • the material of the light shielding layer is an opaque metal material.
  • the light-shielding layer extends from the overlap with the second power line along the second direction to extend out of the extension, and the orthographic projection of the via on the base substrate falls into the extension The part is in the orthographic projection on the base substrate.
  • the extension portion extends toward the second pixel from an overlap of the light shielding layer and the second power line.
  • the second power line provides a VSS voltage signal.
  • Fig. 4 is a schematic cross-sectional structure view along the line A-A in Fig. 2;
  • FIG. 12 is a schematic plan view of a single pixel after the pattern of the first metal layer is formed in the manufacturing process of the transparent display panel according to some embodiments of the present disclosure
  • the width of the wiring area WA is determined by the widths of the planarization layer 110, the pixel defining layer 130, and the black matrix BM in the wiring area WA.
  • the widths of the planarization layer 110, the pixel defining layer 130, and the black matrix BM in the wiring area WA also determine the boundary between the wiring area WA and the light-transmitting area TA.
  • the planarization layer 110, the pixel defining layer 130, and the black matrix BM in the wiring area WA need to completely cover the first gate line GL1 and the second gate line GL2 in the wiring area WA to prevent the first gate line GL1 Reflects light with the second gate line GL2.
  • the second gate line GL2 in the wiring area WA is farther away from the second light transmission area TA2 than the end of the second gate line GL2 close to the second light transmission area TA2.
  • FIGS. 8 and 9 show that the extension portion 221 extends from the overlap of the light-shielding layer 22 and the second power line VSSL toward the pixel where the first light-transmitting area TA1 is located, those skilled in the art can understand that in other implementations In an example, the extension portion 221 may also extend from the overlap of the light-shielding layer 22 and the second power line VSSL toward the pixel where the second light-transmitting area TA2 is located.
  • the first sub-pixel driving circuit SPC1, the second sub-pixel driving circuit SPC2, the third sub-pixel driving circuit SPC3, and the fourth sub-pixel driving circuit SPC4 are sequentially arranged away from the light-transmitting area TA of the pixel P.
  • a spacer region 42 is provided between the second capacitor electrode CstE2 and the third active layer T3a in the first sub-pixel driving circuit SPC1 and the fourth sub-pixel driving circuit SPC4.
  • the spacing area 42 is larger than the spacing in the second sub-pixel driving circuit SPC2 and the third sub-pixel driving circuit SPC3, so as to facilitate subsequent driving in the first sub-pixel driving circuit SPC1 and the fourth sub-pixel.
  • a via hole is formed in the spacer region 42.
  • the second capacitor electrode CstE2 of the second sub-pixel driving circuit SPC2 and the third sub-pixel driving circuit SPC3 is provided with a notch region 43 in the middle, and there is no active material layer 40 in the spacer region 42 and the notch region 43.
  • the pattern of the active material layer 40 in the first sub-pixel driving circuit SPC1 and the pattern of the active material layer 40 in the fourth sub-pixel driving circuit SPC4 are opposite to each other.
  • the positions of the subsequently formed detection lines SL are approximately mirror-symmetrical.
  • the pattern of the active material layer 40 in the second sub-pixel driving circuit SPC2 and the pattern of the active material layer 40 in the third sub-pixel driving circuit SPC3 are relative to those subsequently formed.
  • the position of the detection line SL is approximately mirror-symmetrical.
  • the pattern of the active material layer 40 is formed in the display area DA but not in the light-transmitting area TA.
  • the light-transmitting area TA includes the base substrate 10 and the first insulating layer 30 disposed on the base substrate 10. .
  • the first power supply connection line VDDLS extends along the first direction X, spans the four sub-pixel driving circuits, and is configured to be electrically connected to the first power supply line VDDL to be formed later.
  • the first power connection line VDDLS may be electrically connected to the second auxiliary line 63, and the two are, for example, an integrated structure.
  • FIG. 11 is a schematic diagram of a plan structure of a single pixel after a pattern of a third metal layer is formed in the manufacturing process of a transparent display panel according to some embodiments of the present disclosure
  • FIG. 20 is a schematic diagram of a cross-sectional structure along the line A-A in FIG. 11.
  • the pattern of the third metal layer 80 is then formed. Specifically, a third metal film is deposited on the base substrate with the aforementioned pattern, and the third metal film is patterned through a patterning process. A third metal layer pattern is formed on the third insulating layer 70.
  • the patterning process of the four insulating films forms the pattern of the fourth insulating layer 90, and the pattern of the fourth insulating layer 90 has a via hole in each pixel sub-driving circuit.
  • a planarization film is coated on the base substrate 10 on which the pattern of the fourth insulating layer 90 is formed, and the patterning of the planarization layer 110 is formed by patterning the planarization film, such as exposure, development, and etching.
  • the pattern of the layer 110 is only arranged in the display area DA of the pixel P, not in the light-transmitting area TA.
  • the pattern of the planarization layer 110 also has a via hole in each pixel sub-driving circuit.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

Panneau d'affichage et dispositif électronique. Le panneau d'affichage comprend : un substrat de base ; et une pluralité de pixels disposés sur le substrat de base dans un réseau. La pluralité de pixels comprend un premier pixel et un second pixel, le premier pixel comprenant une première région de transmission de lumière et une première région d'affichage, qui sont agencées de manière séquentielle dans une première direction ; le second pixel comprend une seconde région de transmission de lumière et une seconde région d'affichage, qui sont agencées de manière séquentielle dans la première direction ; et le premier pixel et le second pixel sont adjacents dans une seconde direction, qui est sensiblement perpendiculaire à la première direction, et la première région de transmission de lumière et la seconde région de transmission de lumière sont adjacentes dans la seconde direction. Le panneau d'affichage comprend en outre : une première ligne de grille et une seconde ligne de grille, qui sont agencées entre la première région de transmission de lumière et la seconde région de transmission de lumière, qui sont adjacentes dans la seconde direction. La première ligne de grille et la seconde ligne de grille s'étendent dans la première direction, la première région de transmission de lumière étant adjacente à la première ligne de grille, et la seconde région de transmission de lumière étant adjacente à la seconde ligne de grille.
PCT/CN2020/090653 2020-05-15 2020-05-15 Panneau d'affichage et dispositif électronique WO2021227065A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20904244.9A EP4006986A4 (fr) 2020-05-15 2020-05-15 Panneau d'affichage et dispositif électronique
CN202080000761.0A CN115485846A (zh) 2020-05-15 2020-05-15 显示面板和电子装置
PCT/CN2020/090653 WO2021227065A1 (fr) 2020-05-15 2020-05-15 Panneau d'affichage et dispositif électronique
US17/279,699 US11997893B2 (en) 2020-05-15 2020-05-15 Display panel and electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/090653 WO2021227065A1 (fr) 2020-05-15 2020-05-15 Panneau d'affichage et dispositif électronique

Publications (1)

Publication Number Publication Date
WO2021227065A1 true WO2021227065A1 (fr) 2021-11-18

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PCT/CN2020/090653 WO2021227065A1 (fr) 2020-05-15 2020-05-15 Panneau d'affichage et dispositif électronique

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US (1) US11997893B2 (fr)
EP (1) EP4006986A4 (fr)
CN (1) CN115485846A (fr)
WO (1) WO2021227065A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11903252B2 (en) 2020-05-15 2024-02-13 Hefei Boe Joint Technology Co., Ltd. Display panel and electronic device
CN111710707B (zh) * 2020-06-30 2023-04-28 湖北长江新型显示产业创新中心有限公司 一种显示面板和显示装置
KR20220118585A (ko) * 2021-02-18 2022-08-26 삼성디스플레이 주식회사 표시 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005077822A (ja) * 2003-09-01 2005-03-24 Casio Comput Co Ltd トランジスタアレイ基板の製造方法及びトランジスタアレイ基板
JP2016157263A (ja) * 2015-02-24 2016-09-01 京セラディスプレイ株式会社 タッチパネル付液晶表示装置
CN110718575A (zh) * 2019-10-22 2020-01-21 京东方科技集团股份有限公司 透明oled显示面板、显示装置和驱动方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180017280A (ko) * 2016-08-08 2018-02-21 삼성디스플레이 주식회사 유기 발광 표시 장치
KR102458911B1 (ko) * 2017-12-18 2022-10-25 엘지디스플레이 주식회사 양면 발광형 투명 유기발광 다이오드 표시장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005077822A (ja) * 2003-09-01 2005-03-24 Casio Comput Co Ltd トランジスタアレイ基板の製造方法及びトランジスタアレイ基板
JP2016157263A (ja) * 2015-02-24 2016-09-01 京セラディスプレイ株式会社 タッチパネル付液晶表示装置
CN110718575A (zh) * 2019-10-22 2020-01-21 京东方科技集团股份有限公司 透明oled显示面板、显示装置和驱动方法

Also Published As

Publication number Publication date
EP4006986A4 (fr) 2022-09-21
CN115485846A (zh) 2022-12-16
US20220028954A1 (en) 2022-01-27
US11997893B2 (en) 2024-05-28
EP4006986A1 (fr) 2022-06-01

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